p {
  border: solid 1px #ddd;
  padding: 10px;
  overflow: hidden;
  span.shape {
    float: left;
    width: 100px;
    height: 100px;
    padding: 30px;
    background: red;
    margin: 30px;
    border: solid 30px red;
    shape-outside: margin-box;
    // clip-path: circle(50% at 100% 0);
    // clip-path: ellipse(20% 30%);
    clip-path: polygon(50% 0  ,100% 100% ,0 100%);
  }
}
